541961 has 8 divisors (see below), whose sum is σ = 624960. Its totient is φ = 460368.

The previous prime is 541951. The next prime is 541967. The reversal of 541961 is 169145.

541961 = T₃₉₀ + T₃₉₁ + ... + T₃₉₆.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 541961 - 2¹⁸ = 279817 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 541961.

It is not an unprimeable number, because it can be changed into a prime (541967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695 + ... + 1251.

It is an arithmetic number, because the mean of its divisors is an integer number (78120).

2⁵⁴¹⁹⁶¹ is an apocalyptic number.

It is an amenable number.

541961 is a deficient number, since it is larger than the sum of its proper divisors (82999).

541961 is a wasteful number, since it uses less digits than its factorization.

541961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703.

The product of its digits is 1080, while the sum is 26.

The square root of 541961 is about 736.1800051618. The cubic root of 541961 is about 81.5309829884.

Subtracting from 541961 its reverse (169145), we obtain a triangular number (372816 = T₈₆₃).

The spelling of 541961 in words is "five hundred forty-one thousand, nine hundred sixty-one".